NanoInk Dip Pen Nanolithography® Jun 8, 2009

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Dip Pen Nanolithography® (DPN) is an established method of nanofabrication in which materials are deposited onto a surface via a sharp probe tip. Molecules are transferred from the tip to the surface through a water meniscus which forms in ambient conditions as the tip nears the surface.
DPN enables controlled deposition of a variety of nanoscale materials onto many different substrates. The vehicle for deposition can include pyramidal scanning probe microscope tips, hollow tips, and even tips on thermally actuated cantilevers. Recent advances have demonstrated scalability of the technique with arrays of tips leading to true massive parallelization with up to 55,000 tips.